How to Block USB Devices in Windows 11: 5 Easy Steps π«π»Β
If you don't want to use USB devices or USB storage devices, you can block the USB ports on your computer. In Windows 11, you can do this using a graphical method or via the command line. π«π»
Why block USB devices?
There are many reasons to block USB devices in Windows 11. It is possible (and quite common) that it is delivered malware through a USB device. Additionally, blocking USB devices also helps prevent unwanted data transfers (such as someone trying to copy files to or from your machine). A good example of a specialized USB tool designed to steal data is the USB Rubber Ducky. πΌπ
If you do not use devices USB with your machine, it makes sense to keep the ports disabled, as this prevents other users from also being able to use these ports on your computer. You can unlock any USB port you wish on your computer. π
Block all USB devices using Device Manager
If you want to disable all USB ports so that no USB devices work on your system, use the tool Device Manager. Note that this method also disables any USB-enabled mouse or keyboard. Just be aware that this could be an inconvenience if you do not have an alternative way to control your PC configured. β οΈ
To start, I opened the Windows search (pressing Windows+S), I typed Device Manager and open the utility. Expand the Β«Universal Bus ControllersΒ» section, right-click on a USB port in the list and select Β«Disable device.Β» Select Β«YesΒ» in the prompt. β

Repeat the previous step until you have disabled all the ports on the list.
From now on, when you connect a device to any USB port on your machine, your system will not connect to that device. In the future, you can re-enable your USB ports by opening Device Manager, expanding "Universal Bus Controllers," and clicking right on each port in the list and choosing βEnable Device.
Block USB storage devices from PowerShell
If you prefer command line methods, you can use a cmdlet in PowerShell to block all USB storage devices on your PC. Note that other devices such as keyboards and mice will continue to work. ππ±οΈ
To get started, open Windows Search (by pressing Windows+S), type PowerShell, and select βRun as administrator.β Choose βYesβ at the Control prompt. of user accounts.
In the PowerShell window, type the following cmdlet and press Enter. This cmdlet changes a value in the registry Windows to prevent USB storage devices from working with your machine.
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\USBSTOR" -Name "Start" -Value 4

After running the cmdlet, Restart your Windows 11 PC for the changes to take effect take effect. π
In the future, you can re-enable USB storage devices on your PC by running the following command in PowerShell.
Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\USBSTOR" -Name "Start" -Value 3
Don't forget to restart your computer after running the command. π
Block USB storage devices using the Local Group Policy Editor
If you are using the Pro edition of Windows 11You can use the Local Group Policy Editor to block USB storage devices. Note that this tool isn't available in the Home edition of Windows 11. π οΈ
To use it, open the Run dialog box by pressing Windows+R. Type the following in the box and select βOKβ or press Enter:
gpedit.msc
In the Local Group Policy Editor window, using the options on the left, navigate to the following path. In the right pane, double-click the item that says βAll removable storage classes: Deny all access.β
Computer Configuration > Administrative Templates > System > Removable Storage Access

In the opened window, at the top, select the βEnabledβ option. Then, at the bottom, choose βApplyβ and then βOKβ. π

Close the Local Group Policy Editor and restart your PC. π
In the future, to unblock USB storage devices, double-click the βAll removable storage classes: Deny all accessβ entry, select βNot configured,β then βApplyβ followed by βOK.β Make sure to restart your computer afterwards. π
Block USB storage devices using Registry Editor
You can adjust a value in the Windows registry to disable and enable USB storage devices. This method works on both Pro and Home editions of Windows 11. βοΈπ₯οΈ
To get started, launch Run by pressing Windows+R. Type the following into the box and select βOKβ or press Enter:
regedit
Select βYesβ on the User Account Control prompt.
In the Registry Editor, navigate to the following path:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
In the right pane, double-click on the item that says βStartup.β In the opened window, click on the βValue dataβ field and type 4. Then select βOKβ. The value 4 tells you to Windows not recognizing any USB storage devices. π

Close the Registry Editor and restart your PC for the changes to take effect. ππ»
To revert your change and unlock the devices USB storage in the future, navigate to the above-mentioned path in the Registry Editor, double-click the "Start" entry, type 3 In the βValue dataβ field, select βOK,β and restart your PC. π
If you can't disable the USB ports using other methods, use the BIOS
If you don't see the option to disable USB ports in Device Manager, use the menu BIOS setup on your PC to disable those ports. To do this, open Settings, select System > Recovery, click βRestart nowβ next to Advanced Start, and I chose βRestart Nowβ from the prompt. π
On the Choose an option page, select Troubleshoot > Advanced options > Troubleshooting settings. UEFI firmware and click βReboot.β Each BIOS menu is different, but you will find an option labeled USB or something similar. On my Asus laptop, I will go to the Β«AdvancedΒ» tab, select Β«USB Configuration,Β» and then disable the ports. βοΈ

When you want to use the ports again, you will have to enable them from the BIOS (since you disabled them from the BIOS). π
And this is how you can prevent USB devices from interacting with your Windows 11 computer. If you are worried. πΈπ




















